Troubleshooting & repair, Engine throttle adjustment test (continued) – Lincoln Electric CLASSIC I SVM134-A User Manual

Page 67

TROUBLESHOOTING & REPAIR

F-23

CLASSIC I

ENGINE THROTTLE ADJUSTMENT TEST

(continued)

FIGURE F.7 – BLOWER PADDLE MARK LOCATION

BLOWER
PADDLE
MARK

TEST PROCEDURE

Strobe Tach Method

1. Conduct this procedure with the engine OFF.

2. Unlatch, lift, and secure the right and left side

doors.

3. With the white or red marking pencil, place a

mark on one of the blower paddles.

See

Figure F.7.

4. Connect the strobe-tach according to the

manufacturer’s instructions.

5. Start the engine and direct the strobe-tach

light on the blower paddle and synchronize it
to the rotating mark.

6. With the machine at HIGH IDLE, the tach

should read between 1550 and 1650 RPM.
With the machine at LOW IDLE, the tach
should read between 1000 and 1050 RPM.